frustated of not having a job

Dear sir/ madam
I am a grduate in mechanical engineering. and i from Assam. I have been searching jobs from 3 years but haven’t got any job regarding my job profile. I have visited most of the private companies given my resume , but no use they used to say they have been hiring much experienced one or else some would say my qualification is much higher for this job. i have given many govt exam but there i wont be able to qualify in any…I am really confused, really frustated . I am in need of a job . I have been humiliated by the society ,my family. please kindly help me out .